ELECTRIC MOTION ROLL SCREEN

摘要

PURPOSE: An electric roll screen is provided to automatically open or close a window through an illuminance signal sensed in a predetermined time. CONSTITUTION: An electric roll screen(100) comprises a light shading unit(10), a driving motor(110), an illuminance sensor, and a control unit(150). The light shading unit comprises a winding bar and a screen. The winding bar is rotatably installed at the upper part of a window, and the screen is wound or is unwound to the winding bar. The driving motor is connected to the winding bar and rotates the winding bar. The illuminance sensor is installed at the outside or the inside of the window and senses illuminance. The control unit is electrically connected to the illuminance sensor and the driving motor and controls operation of the driving motor with a signal from the illuminance sensor.